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US Patent: RE7,240
Machines for Grinding Rollers
Patentee: J. Morton Poole (exact or similar names) - Wilmington, New Castle County, DE USPTO Classifications: 451/134, 451/152 Tool Categories: metalworking machines : grinders : profile and contour grinders Assignees: J. Morton Poole - Wilmington, New Castle County, DE William T. Porter - Wilmington, New Castle County, DE Thomas S. Poole - Wilmington, New Castle County, DE Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 15, 1876 Granted: Jul. 25, 1876 Reissue Information: Reissue of 104,492 (Jun. 21, 1870) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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